Home / 826,344.80-1,240,246.20-488,963.60

Finding the Fourth Proportional to 826,344.80, 1,240,246.20 and 488,963.60

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Solution

The fourth proportional to 826,344.80, 1,240,246.20 and 488,963.60 is: 733,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,344.80 : 1,240,246.20 = 488,963.60 : x
  2. Step 2: Convert to fraction form
    826,344.80/1,240,246.20 = 488,963.60/x
  3. Step 3: Cross multiply
    826,344.80x = 1,240,246.20 × 488,963.60
  4. Step 4: Simplify right side
    826,344.80x = 606,435,246,838.32
  5. Step 5: Solve for x
    x = 606,435,246,838.32/826,344.80
  6. Step 6: Final answer
    x = 733,876.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.